Ms. brown asked her students to combine some regular cow's milk with white vinegar. each group mixed 1 cup of warm milk with 4 tablespoons of vinegar in a glass measuring cup. after stirring the mixture, the students poured the liquids through a strainer into another beaker. the picture above shows the results of mixing warm milk with vinegar. what type of change is this? explain. a) it is a physical change because it is a mixture of two liquids. b) it is a chemical change because two liquids mixed together formed a solid. c) it is a physical change because you can separate the parts with a strainer. d) it is a chemical change because there was a change in temperature of the milk.